68769225 has 72 divisors (see below), whose sum is σ = 143919360. Its totient is φ = 30735360.

The previous prime is 68769223. The next prime is 68769229. The reversal of 68769225 is 52296786.

It is not a de Polignac number, because 68769225 - 2¹ = 68769223 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (68769223) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 73561 + ... + 74489.

It is an arithmetic number, because the mean of its divisors is an integer number (1998880).

Almost surely, 2^68769225 is an apocalyptic number.

It is an amenable number.

68769225 is an abundant number, since it is smaller than the sum of its proper divisors (75150135).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

68769225 is a wasteful number, since it uses less digits than its factorization.

68769225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 999 (or 991 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 68769225 is about 8292.7212059733. The cubic root of 68769225 is about 409.6988170783.

The spelling of 68769225 in words is "sixty-eight million, seven hundred sixty-nine thousand, two hundred twenty-five".